Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in C:\website\elearning_dharmapala\moodle\lib\navigationlib.php on line 897 and exactly 5 expected in C:\website\elearning_dharmapala\moodle\lib\setuplib.php:421 Stack trace: #0 C:\website\elearning_dharmapala\moodle\lib\navigationlib.php(897): default_error_handler(8192, 'Return type of ...', 'C:\\website\\elea...', 1142) #1 C:\website\elearning_dharmapala\moodle\lib\setup.php(599): require_once('C:\\website\\elea...') #2 C:\website\elearning_dharmapala\moodle\config.php(27): require_once('C:\\website\\elea...') #3 C:\website\elearning_dharmapala\moodle\index.php(30): require_once('C:\\website\\elea...') #4 {main} in C:\website\elearning_dharmapala\moodle\lib\navigationlib.php on line 897